Compumedics USA Data Breach Exposes Social Security Numbers

On April 11, 2025, Compumedics USA Inc. discovered that an unauthorized actor had gained access to its computer network and exfiltrated certain files. The unauthorized access occurred over an 11-day period, from March 13, 2025, to March 24, 2025. During this time, the intruder was able to take files containing sensitive personal information.

After a thorough review, Compumedics determined that the affected files included names, Social Security numbers, and/or bank account numbers used for direct deposit.

The breach impacted 4 residents in Maine and 7 in Massachusetts and total number of affected individuals in the United States has not been disclosed.

The types of consumer information exposed—considered personally identifiable information (PII)—were names, Social Security numbers, and bank account numbers.

Compumedics reported the breach to the Maine Attorney General’s office on May 9, 2025, and to the Massachusetts Attorney General’s office on May 8, 2025. You can review the official data breach notification on the Maine Attorney General’s website and the Massachusetts Attorney General’s website.

Compumedics USA's response

Following the discovery of the breach, Compumedics USA Inc. immediately secured its network to prevent further unauthorized access and launched an internal investigation. The company also reviewed the affected files to identify those whose information was compromised. On May 8, 2025, Compumedics began notifying affected individuals by written letter sent via United States Postal Service First-Class mail.

To help protect those affected, Compumedics is offering complimentary credit monitoring and identity theft protection services through Experian’s IdentityWorks. Affected individuals will receive instructions on how to activate these services, which include credit monitoring, identity restoration support, and identity theft insurance. The company has also established a dedicated, toll-free call center (855-260-0907) to answer questions and provide assistance.

In addition to these immediate steps, Compumedics has implemented additional security measures and is continuing to train employees on data security best practices. If you believe you may be affected, it is important to remain vigilant by monitoring your financial accounts and credit reports for any unauthorized activity. You may also consider placing a fraud alert or security freeze on your credit file, as described in the notification letter.

For more information about the company and its services, visit the Compumedics USA Inc. website.